Base | Representation |
---|---|
bin | 100111000101011… |
… | …0110111000011000 |
3 | 10101101202112100220 |
4 | 1032022312320120 |
5 | 10141214002310 |
6 | 334045200040 |
7 | 44333206005 |
oct | 11612667030 |
9 | 3341675326 |
10 | 1311469080 |
11 | 613321149 |
12 | 307260020 |
13 | 17b92240c |
14 | c62688ac |
15 | 7a208670 |
hex | 4e2b6e18 |
1311469080 has 64 divisors (see below), whose sum is σ = 4165849440. Its totient is φ = 329152512.
The previous prime is 1311469069. The next prime is 1311469087. The reversal of 1311469080 is 809641131.
It is a super-2 number, since 2×13114690802 = 3439902295592092800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1311469087) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319399 + ... + 323478.
Almost surely, 21311469080 is an apocalyptic number.
1311469080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1311469080 is an abundant number, since it is smaller than the sum of its proper divisors (2854380360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1311469080 is a wasteful number, since it uses less digits than its factorization.
1311469080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 642908 (or 642904 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 33.
The square root of 1311469080 is about 36214.2110227463. The cubic root of 1311469080 is about 1094.5930474169.
The spelling of 1311469080 in words is "one billion, three hundred eleven million, four hundred sixty-nine thousand, eighty".
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